sudo fswebcam -d /dev/video0 -r 640x480 --bottom-banner --title "RaspberryPi @ DC_Wang" --no-timestamp /home/pi/SmartLock/Photos/photo.jpg
curl --request POST --data-binary @"/home/pi/SmartLock/Photos/photo.jpg" --header "U-ApiKey:2bc56c0f07de5b1bbe20c401e931ddbd" --url http://api.yeelink.net/v1.0/device/20274/sensor/35573/photos
